21199612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44537}}^1$

素因数の和:44565

約数の個数: 24

約数和(自身を含む): 44894304

約数和(自身を除く): 23694692

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44537, 89074, 178148, 311759, 623518, 757129, 1247036, 1514258, 3028516, 5299903, 10599806, 21199612]

約数ペア:

[(1, 21199612), (2, 10599806), (4, 5299903), (7, 3028516), (14, 1514258), (17, 1247036), (28, 757129), (34, 623518), (68, 311759), (119, 178148), (238, 89074), (476, 44537)]